A hydraulic barrier of thickness 25 cm and coefficient of permeability 3.45 × 106 cm/ sec is used to protect the soil underneath. How much time (in Days) it will take for a permeant to reach the soil if the void ratio of the barrier is 0.35.Assume that the permeant is flowing under the hydraulic gradient of 0.525

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A:

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A:

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Q: -36"-

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Principles of Seepage

In hydrology, when water flows down in a pore or crack of unsaturated soil due to gravity, the deep layer of soil is called seepage. It is the slow movement of water in the soil layer. Seepage is mainly found near hydraulic structures and is responsible for the stability of earthen-type hydraulic structures.